Stephanie Charlton is a fictional character in the ITV series Secret Diary of a Call Girl.

Rich and glamorous, with a cutting sense of humour, and cynical attitude, she reluctantly looks out for the girls that belong to her agency.

She never reveals anything remotely personal to the call girls, however, it is assumed that she is not married, due to her various cynical remarks, such as "you do this job long enough – you want to kick the shit out of a man".

During a conversation with Belle about the possibility of love and continuing prostitution, she reveals that she was once involved with a woman, who ended up taking advantage of her.

In Series 4, Stephanie is imprisoned after being stopped by the police, who discover various fake passports, thousands of pounds in cash (and a sex toy) in the boot of her car.